<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <title>Demo</title>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, minimum-scale=1">
</head>

<body>
    // 代码放到 </body> 上面就行了 
    <script src="./js/curzr-arrow-pointer.min.js"></script>
</body>

</html>